Question: What are the deductive language which start with the letter p
Paraphrase: What is the deductive language that begins with letter p
SPARQL (Wikidata): SELECT DISTINCT ?sbj ?sbj_label WHERE { ?sbj wdt:P31 wd:Q5249852 . ?sbj rdfs:label ?sbj_label . FILTER(STRSTARTS(lcase(?sbj_label), 'p')) . FILTER (lang(?sbj_label) = 'en') } LIMIT 25 
Answer: Prolog, Prolog